precious.yml

name: Precious

on:
  push:
    branches:
      - 'main'
  pull_request:
  workflow_dispatch:

jobs:
  code-formatting:
    runs-on: ubuntu-latest
    name: Code Formatting
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-node@v3
        with:
          node-version: '20'

      - run: npm install

      - name: Fetch base ref
        if: ${{ github.event.pull_request }}
        run: git fetch origin ${{ github.base_ref }}:upstream

      - name: Install precious
        run: ./bin/install-precious /usr/local/bin

      - run: git diff --name-only --diff-filter=ACM upstream...

      - name: Select files
        id: select-files
        run: |
          if [[ -n "${{ github.event.pull_request.number }}" ]]; then
            echo 'precious-args=--git-diff-from upstream' >> "$GITHUB_OUTPUT"
          else
            echo 'precious-args=--all' >> "$GITHUB_OUTPUT"
          fi

      - name: Lint files
        run: precious lint ${{ steps.select-files.outputs.precious-args }}